Peterson Grab There is 1 product.

• Classic fresh water sampler in hard bottoms• Zinc plated to prevent corrosion• Hot rolled steel and cast iron construction• Large volume, large sampling area• Tapered scoop edges• Safety pin lock• Clamshell pivotSince 1930 the Petersen grab has been used in fresh water for collecting macroscopic fauna in sand, gravel, marl, clay or clay combinations. If used in salt water, it must be painted for protection. Since it has been widely used over...